; RUN: opt %s -S -aa-pipeline=cfl-steens-aa -passes=aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s ; ; Regression: we weren't properly checking constexpr selects. @g = extern_weak dso_local global i32, align 4 @g2 = extern_weak dso_local global i32, align 4 @g3 = extern_weak dso_local global i32, align 4 ; CHECK-LABEL: Function: foo ; CHECK-DAG: NoAlias: i32** %a, i32* select (i1 icmp ne (i32* @g, i32* null), i32* @g2, i32* @g3) ; CHECK-DAG: NoAlias: i32** %a, i32* %b ; CHECK-DAG: MayAlias: i32* %b, i32* select (i1 icmp ne (i32* @g, i32* null), i32* @g2, i32* @g3) ; CHECK-DAG: NoAlias: i32** %a, i32* @g2 ; CHECK-DAG: MayAlias: i32* @g2, i32* select (i1 icmp ne (i32* @g, i32* null), i32* @g2, i32* @g3) ; CHECK-DAG: MayAlias: i32* %b, i32* @g2 ; CHECK-DAG: NoAlias: i32** %a, i32* @g3 ; CHECK-DAG: MayAlias: i32* @g3, i32* select (i1 icmp ne (i32* @g, i32* null), i32* @g2, i32* @g3) ; CHECK-DAG: MayAlias: i32* %b, i32* @g3 ; CHECK-DAG: MayAlias: i32* @g2, i32* @g3 define void @foo() { entry: %a = alloca i32*, align 8 load i32, i32* select (i1 icmp ne (i32* @g, i32* null), i32* @g2, i32* @g3) store i32* select (i1 icmp ne (i32* @g, i32* null), i32* @g2, i32* @g3), i32** %a %b = load i32*, i32** %a %c = load i32, i32* %b %d = load i32, i32* @g2 %e = load i32, i32* @g3 ret void }